From: Eli Zaretskii <eliz@gnu.org>
To: martin rudalics <rudalics@gmx.at>
Cc: 9006@debbugs.gnu.org, stephen.berman@gmx.net
Subject: bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer
Date: Sat, 09 Jul 2011 20:31:42 +0300 [thread overview]
Message-ID: <83box3nywx.fsf@gnu.org> (raw)
In-Reply-To: <4E1814F7.4060002@gmx.at>
> Date: Sat, 09 Jul 2011 10:44:39 +0200
> From: martin rudalics <rudalics@gmx.at>
> Cc: 9006@debbugs.gnu.org
>
> I think there are three problems with this.
>
> > #1 0x080a71a7 in unshow_buffer (w=0x9a8e828)
> > at /data/steve/bzr/emacs/quickfixes/src/window.c:1801
> > buf = 218835381
> > b = 0xd0b29b0
>
> This problem is certainly due to the fact that vertical_motion blindly
> does
>
> if (XBUFFER (w->buffer) != current_buffer)
> {
> /* Set the window's buffer temporarily to the current buffer. */
> old_buffer = w->buffer;
> XSETBUFFER (w->buffer, current_buffer);
> }
>
> and probably should do at least something like
>
> if (XBUFFER (w->buffer) != current_buffer)
> {
> /* Set the window's buffer temporarily to the current buffer. */
> old_buffer = w->buffer;
> XSETBUFFER (w->buffer, current_buffer);
> set_marker_both (w->pointm, buffer, BEG, BEG_BYTE);
> }
>
> instead.
How is vertical-motion relevant to the user typing C-g?
And why does this code normally works, if it is wrong? What am I
missing?
> Allowing to kill a temporary buffer while it's shown in a window just to
> calculate how far `vertical-motion' would go if the buffer were shown in
> a window is asking for trouble.
I don't understand how come vertical-motion ended up calling Lisp, as
this Lisp backtrace shows:
> Lisp Backtrace:
> "set-window-buffer" (0xbfff66d4)
> "set-window-buffer-start-and-point" (0xbfff6854)
> "byte-code" (0xbfff6964)
> "switch-to-prev-buffer" (0xbfff6c54)
> "replace-buffer-in-windows" (0xbfff6dec)
> "kill-buffer" (0xbfff6eb4)
> "and" (0xbfff6fa8)
> "vertical-motion" (0xbfff7d24)
And why does that Lisp code call kill-buffer?
next prev parent reply other threads:[~2011-07-09 17:31 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-05 23:20 bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer Stephen Berman
2011-07-06 9:25 ` martin rudalics
2011-07-06 19:19 ` Stephen Berman
2011-07-07 8:23 ` martin rudalics
2011-07-07 9:32 ` Stephen Berman
2011-07-07 15:47 ` martin rudalics
2011-07-08 23:03 ` Stephen Berman
2011-07-09 8:44 ` martin rudalics
2011-07-09 11:57 ` Stephen Berman
2011-07-09 13:01 ` martin rudalics
2011-07-09 16:27 ` Stephen Berman
2011-07-09 16:54 ` Stephen Berman
2011-07-10 8:59 ` martin rudalics
2011-07-10 10:25 ` Stephen Berman
2011-07-10 13:30 ` martin rudalics
2011-07-10 20:31 ` Stephen Berman
2011-07-11 19:14 ` martin rudalics
2011-07-11 20:04 ` Stephen Berman
2011-07-12 8:36 ` martin rudalics
2011-07-12 8:51 ` Stephen Berman
2011-07-13 6:53 ` Stephen Berman
2011-07-13 7:24 ` Eli Zaretskii
2011-07-13 8:00 ` Stephen Berman
2011-07-13 10:03 ` Eli Zaretskii
2011-07-13 11:40 ` Stephen Berman
2011-07-13 8:37 ` martin rudalics
2011-07-13 10:05 ` Eli Zaretskii
2011-07-13 11:54 ` martin rudalics
2011-07-13 12:20 ` Stephen Berman
2011-07-13 11:39 ` Stephen Berman
2011-07-14 8:35 ` martin rudalics
2011-07-15 21:05 ` Stephen Berman
2011-07-10 8:58 ` martin rudalics
2011-07-09 12:44 ` Stephen Berman
2011-07-09 13:01 ` martin rudalics
2011-07-09 17:31 ` Eli Zaretskii [this message]
2011-07-10 8:59 ` martin rudalics
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